Can You Drill into Filler

If you have done a tight fill job with good filler, you can screw into the area AFTER you have drilled a pilot hole that is almost the size of the root diameter of the screw that you will use.

Can you put a drywall anchor into an existing hole?

Just remember to put the screw or bolt back in the hole if the anchor is still usable in the wall. There are types that will not be reusable. If the thread hole is visible you can pretty much reuse it with out a new anchor if the screw was left behind for it.

Can you screw into CALK?

Use a toothpick, or for larger screws, a wooden match. … Dip the end of the match in wood glue (Elmer’s will work fine), stuff it into the hole and break it off at the surface. You may need to do this several times to fill the majority of the hole.